The order of nutrient factors important on rooting rate were reducing sugers, C : N ratio, total N, starch , and soluble sugers.

营养因子对生根率的重要性顺序为：还原糖、C/N、全N、淀粉、可溶性糖。

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P had more important effects on corn qualities than K. Compared with CK, long-term N-applying only could improve the corn nutrition, but decrease the flour ash content and starch viscosity.

长期单施氮肥较不施肥的对照（CK）玉米籽粒营养品质有一定的改善，但籽粒粗脂肪含量和淀粉粘度有不同程度的下降。

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DESCRIPTION STARCH, chemical formula (C6H10O5) n, is a polysaccharide carbohydrate consisting of a large number of glucose units joined together by glycosidic bonds.

产品说明淀粉化学式为(C6H10O5) n，是大量葡萄糖单元通过糖苷链组成的多糖碳水化合物。

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